CN1797018A - Sample holder in use for measuring spectrum of photoluminescence of electrical modulation - Google Patents
Sample holder in use for measuring spectrum of photoluminescence of electrical modulation Download PDFInfo
- Publication number
- CN1797018A CN1797018A CN 200410098998 CN200410098998A CN1797018A CN 1797018 A CN1797018 A CN 1797018A CN 200410098998 CN200410098998 CN 200410098998 CN 200410098998 A CN200410098998 A CN 200410098998A CN 1797018 A CN1797018 A CN 1797018A
- Authority
- CN
- China
- Prior art keywords
- insulating frame
- specimen holder
- electrode
- electrical modulation
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention is a sample frame for measuring electric modulated photoluminescent spectrum, characterized in comprising: an insulated frame, where the insulated frame is tubular in shape, one end of the insulated frame has a fixing flange, the tube wall of the insulated frame is made with six screw holes and made with two observation holes vertical to the axial direction of the screw holes; a sample carrying rod, where the diameter of the sample carrying rod is the same as the inner diameter of the insulated frame, one end of the sample carrying rod is a cross end and the other end is a rotating end, and the middle is a rod, and the sample carrying rod is inserted in the inner diameter of the insulated frame; six electrodes, where each electrode is a screw, one end of the electrode is cone-shaped and the other end is a rotating part, and the six electrodes are screwed in the six screw holes, respectively.
Description
Technical field
The present invention is used for the specimen holder that the electrical modulation photoluminescence spectra is measured, relate to optical semiconductor spectrometry field, particularly on common photoluminescence spectra (PL) spectrometer, realize the measurement of electrical modulation PL, and the polarity that can come the study sample built in field by the orientation measurement photoluminescence spectra (PL) of this device change modulated electric fields.
Background technology
Spectral measurement methods is one of indispensable important means in the semiconducter research always.Wherein, photoluminescence (PL) spectrum is a kind of spectral technique that is most widely used.It is widely used in the band structure of research photoelectron material, excitation process and mechanism, multiple mechanism etc.But the information that static spectrum experiment provides is inadequate, and it is directly accurate with the band structure and the multiple mechanism authentication of spectral information and material to be difficult to sometimes, especially under complexity doping situation.But by changing the external condition that semiconductor samples is measured, such as pressure, magnetic field and electric field etc. can be realized the measurement of modulated spectrum.Corresponding extraneous perturbation meeting in spectrum to some extent the performance, this make the peak point out with energy position establish a capital really more accurate.Modulated spectrum provides the more information of high resolving power and sensitivity.Wherein the spectrum of electrical modulation is a kind of very important modulated spectrum technology, and except some above-mentioned common features, electrical modulation spectrum is unusual effective method for the electric field polarization of research material inside.Some material internals exist built-in polarized electric field, such as quantum dot, and GaN, ZnO etc.Because built in field can change band structure, thereby seriously influences the luminous and luminescence efficiency of material.Can reflect the size and the polarity of built in field by the spectral measurement of electric field modulation, this is very important for the luminescence mechanism of understanding material.Yet, lack the platform of the PL spectrum of doing electrical modulation on some PL spectrometer, particularly can be used for studying the device of built-in polarized electric field.
Therefore, the present invention is used for the specimen holder that the electrical modulation photoluminescence spectra measures can be used for measuring the photoluminescence spectra (PL) of electrical modulation, and can on six direction, apply electric field be used to study the built-in polarized electric field of semiconductor.
Summary of the invention
The objective of the invention is to design a kind of specimen holder that the electrical modulation photoluminescence spectra is measured that is used for, can measure the polarity that the PL measurement under the different directions of an electric field comes the built-in polarized electric field of research material.
A kind of specimen holder that is used for the measurement of electrical modulation photoluminescence spectra of the present invention is characterized in that, comprising:
One insulating frame, this insulating frame are a tubulose, and an end of this insulating frame has a flange that is used for fixing, and have six screws on the tube wall of this insulating frame, become the direction of 90 degree to have two viewports with this screw;
One year specimen holder, this year, specimen holder general became one shaft-like, and its diameter is identical with the internal diameter of insulating frame, and this year, an end of specimen holder was a criss-cross end, and the other end is a round end, and the centre is a bar portion, and this year, specimen holder was inserted in the internal diameter of insulating frame;
Six electrodes, this electrode are screw, and an end of this electrode is a taper, and its other end is a rotating part, and these six electrodes are screwed into respectively in the screw on the insulating frame.
On wherein six screws on the insulating frame are opened respectively in a plane of insulating frame longitudinal center line.
Wherein six screws are opened the both sides at insulating frame respectively, and middle screw is vertical with the insulating frame longitudinal center line, and two screws become miter angle with the screw of centre respectively up and down.
The diameter of round end that wherein carries specimen holder is greater than the bar portion of carrying specimen holder, and is processed into two to six planes, two planes in the side of round end.
Wherein the diameter of the rotating part of electrode is greater than the threaded portion of electrode, and is processed into two to six planes, two planes in the side of rotating part, and the other end of this rotating part is protruding with a head, laterally has a circular hole at head.
Technical characterstic of the present invention is:
The specimen holder that the present invention is used for the measurement of electrical modulation photoluminescence spectra has designed insulating frame, carries specimen holder and six electrodes.Such structure not only can be used for testing photoluminescence (PL) spectrum of electrical modulation, and can select to use several or whole electrodes wherein, changes the direction of modulated electric fields, and then can be used for the polarity of analysis of material built in field.The specimen holder mounting structure that the present invention is used for the measurement of electrical modulation photoluminescence spectra is simple, and can carry out integrated use under the situation that does not change photoluminescence (PL) spectrometer.
Description of drawings
Fig. 1 is used for the sectional stereogram of the specimen holder of electrical modulation photoluminescence spectra measurement for the present invention;
Fig. 2 is the sectional stereogram of Fig. 1 other direction.
Embodiment
Consult Fig. 1 and Fig. 2, the specimen holder that the present invention is used for the measurement of electrical modulation photoluminescence spectra mainly comprises three kinds of critical parts;
(1) insulating frame 1, makes of insulating material, generally can adopt teflon, and used number is 1.This insulating frame insulate to six electrodes 3, is agent structure of the present invention.This insulating frame 1 is the tubulose of a hollow, the incident light that photoluminescence spectra is measured incides on the tested sample from an end of tubulose, the other end has a flange that is used for fixing 11, the external diameter of this flange 11 is greater than the external diameter of cylindrical tube, and on flange, be evenly distributed with 4 or a plurality of fixed orifice along the direction that is parallel to insulating frame 1 axis, be convenient to like this with extraneous install integrated.Have six screws 12 on the tube wall of this insulating frame 1, have two viewports 13 with the direction of 12 one-tenth 90 degree of this screw.On six screws 12 are opened respectively in a plane of insulating frame 1 longitudinal center line, and open respectively in the both sides of insulating frame 1, middle screw 12 is vertical with insulating frame 1 longitudinal center line, up and down two screws 12 respectively with 12 one-tenth miter angles of screw of centre.Such six screws 12 have different directions, and spiral shell has helicitic texture in each screw 12, so that carry out threaded engagement with electrode 3.
(2) carry specimen holder 2, make of insulating material, used number is 1.This specimen holder 2 is to be used for placing sample and sample is sent to insulating frame hollow inside carrying out the mechanism that photoluminescence spectra is measured.This year, specimen holder 2 generally became one shaft-like, its external diameter is identical with the internal diameter of insulating frame 1, this year, a specimen holder end of 2 was a criss-cross end 21, middle part cylindrical bar portion 22, the other end is a round end 23, the diameter of round end 23 is greater than the bar portion 22 of carrying specimen holder 2, and is processed into two to six planes 24, two planes in the side of round end 23.This year, specimen holder 2 was inserted in the internal diameter of insulating frame 1, and can be slidingly matched in insulating frame 1 mesopore inside.Plane 24 in the processing of round end 23 sides is used for making things convenient for the rotary manipulation of this specimen holder to design, sample is placed on the plane of the cross end 21 of carrying specimen holder 2, by rotating this year of specimen holder 2 round end 23, sample is delivered near the eletrode tip of viewport 13 of insulating frame 1 so that contact and applied electric field with the electrode 3 of the screw 12 that is screwed into insulating frame 1.
(3) electrode 3, make of conductive material, generally can adopt copper, and used number is 6.This electrode 3 is that specimen is applied the media that external electrical field is measured modulation photoluminescence spectrum, because the present invention has designed the direction of the screw 12 of six electrodes 3, external electrical field just can be realized the change of direction of an electric field by selecting 2 or a plurality of electrode, so just, can come the polarized electric field of research material inside by the photoluminescence spectra of more different directions of an electric field, and then obtain the information of polarized electric field polarity.This electrode 3 is a screw, and an end of this electrode 3 is a taper 31, and its other end is a rotating part 32, and its taper 31 directly contacts with sample.The diameter of the rotating part 32 of this electrode 3 is greater than the threaded portion 33 of electrode 3, and is processed into two to six planes, two planes in the side of rotating part 32, and the other end of this rotating part 32 is protruding with a head 34, laterally has a circular hole 35 at head 34.These six electrodes 3 are screwed into respectively in the screw 12 on the insulating frame 1, and the rotating part 32 by rotation electrode 3 can be so that the threaded portion 33 of electrode 3 rotates in screw 12 and advances or retreat.This electrode 3 by with head 34 that rotating part 32 is connected on circular hole 35 be connected with external circuits.Carry specimen holder 2 and placing sample after on the cross end 21, insert from the flange 11 end mesopores of insulating frame 1, rotate its rotating part 23 and make year specimen holder 2 move to the place, tip of electrode taper 31, six electrodes 3 are by rotating rotating part 32 until touching sample.Circular hole 35 places on the electrode of selecting 3 link to each other with external circuits and apply electric field then, regulate electric field and carry out photoluminescence spectra and measure.
The present invention is used for photoluminescence (PL) spectrum that specimen holder that the electrical modulation photoluminescence spectra measures not only can be used for testing electrical modulation, and can select to use wherein several or whole electrodes 3, change the direction of modulated electric fields, and then can be used for the polarity of analysis of material built in field.The present invention is used for the specimen holder of electrical modulation photoluminescence spectra measurement and is made up of three kinds of critical parts, mounting structure is simple, and can under the situation that does not change photoluminescence (PL) spectrometer, carry out integrated use, requiring according to the experiment table of photoluminescence spectroscopy can be vertically or the flange 11 of horizontal fixed insulating frame 1, and then can satisfy vertically or the needs of horizontal optical path.
Using method of the present invention
At first according to the actual conditions of actual light photoluminescence optical spectrometer sample platform, the flange 11 of level or vertical fixing insulating frame 1 makes incident light incide insulating frame 1 inside from mesopore one end of insulating frame 1.Sample can be film and the block sample with certain area, sample can be bonded on the plane on the cross end 21 of specimen holder 2, carry the rotating part 23 of specimen holder 2 by rotation, with sample slowly be sent to insulating frame 1 mesopore inside, near viewport 13 and electrode 3 tapers 31 tips.Use number and electric field according to the different choice electrode 3 of research material apply direction, can all select or several electrodes wherein 3, and the rotating part 32 of rotation electrode 3 touches sample up to taper 31 tips of electrode 3 at leisure then.Wherein, the middle part contacts the side of sample with two electrodes 3 of insulating frame 1 axis normal, the both sides of two electrode 3 lines in middle part and electrode 3 is contacted the upper and lower surface of sample respectively.Then, connect external circuits at circular hole 35 places of electrode 3 with wire clamp, regulation voltage carries out photoluminescence spectra and measures and to get final product as required.
Claims (5)
1, a kind of specimen holder that is used for the measurement of electrical modulation photoluminescence spectra is characterized in that, comprising:
One insulating frame, this insulating frame are a tubulose, and an end of this insulating frame has a flange that is used for fixing, and have six screws on the tube wall of this insulating frame, become the direction of 90 degree to have two viewports with this screw;
One year specimen holder, this year, specimen holder general became one shaft-like, and its diameter is identical with the internal diameter of insulating frame, and this year, an end of specimen holder was a criss-cross end, and the other end is a round end, and the centre is a bar portion, and this year, specimen holder was inserted in the internal diameter of insulating frame;
Six electrodes, this electrode are screw, and an end of this electrode is a taper, and its other end is a rotating part, and these six electrodes are screwed into respectively in the screw on the insulating frame.
2, the specimen holder that is used for the measurement of electrical modulation photoluminescence spectra as claimed in claim 1 is characterized in that, on wherein six screws on the insulating frame are opened respectively in a plane of insulating frame longitudinal center line.
3, the specimen holder that is used for the measurement of electrical modulation photoluminescence spectra as claimed in claim 1 or 2, it is characterized in that, wherein six screws are opened the both sides at insulating frame respectively, and middle screw is vertical with the insulating frame longitudinal center line, and two screws become miter angle with the screw of centre respectively up and down.
4, as claimed in claim 1ly be used for the specimen holder that the electrical modulation photoluminescence spectra is measured, it is characterized in that, the diameter of round end that wherein carries specimen holder is greater than the bar portion of carrying specimen holder, and is processed into two to six planes, two planes in the side of round end.
5, the specimen holder that is used for the measurement of electrical modulation photoluminescence spectra as claimed in claim 1, it is characterized in that, wherein the diameter of the rotating part of electrode is greater than the threaded portion of electrode, and be processed into two to six planes, two planes in the side of rotating part, the other end of this rotating part is protruding with a head, laterally has a circular hole at head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410098998XA CN100353171C (en) | 2004-12-23 | 2004-12-23 | Sample holder in use for measuring spectrum of photoluminescence of electrical modulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410098998XA CN100353171C (en) | 2004-12-23 | 2004-12-23 | Sample holder in use for measuring spectrum of photoluminescence of electrical modulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1797018A true CN1797018A (en) | 2006-07-05 |
| CN100353171C CN100353171C (en) | 2007-12-05 |
Family
ID=36818224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410098998XA Expired - Fee Related CN100353171C (en) | 2004-12-23 | 2004-12-23 | Sample holder in use for measuring spectrum of photoluminescence of electrical modulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100353171C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101266272A (en) * | 2007-03-13 | 2008-09-17 | 慧萌高新科技有限公司 | Rotary electrode head device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2634026B1 (en) * | 1988-07-08 | 1990-11-09 | Labo Electronique Physique | |
| CN2331083Y (en) * | 1998-03-05 | 1999-07-28 | 中国科学院半导体研究所 | Temperature-control semi-conductor photoelectric characteristic testing sample stand |
| CN1116602C (en) * | 1998-06-18 | 2003-07-30 | 中国科学院福建物质结构研究所 | High-temperature sample heater for real-time spectrum measurement |
| CN2518217Y (en) * | 2001-11-14 | 2002-10-23 | 廖木山 | Testing & positioning appts. for electronic component |
| CN2561096Y (en) * | 2002-04-30 | 2003-07-16 | 中国科学院半导体研究所 | Semiconductor material electric signal measuring apparatus |
| JP3895294B2 (en) * | 2003-04-04 | 2007-03-22 | 株式会社日本触媒 | Sample holder for spectrophotometer and spectrophotometer |
-
2004
- 2004-12-23 CN CNB200410098998XA patent/CN100353171C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101266272A (en) * | 2007-03-13 | 2008-09-17 | 慧萌高新科技有限公司 | Rotary electrode head device |
| CN101266272B (en) * | 2007-03-13 | 2012-11-07 | 慧萌高新科技有限公司 | Rotary electrode head device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100353171C (en) | 2007-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103972019B (en) | Contactless DC induction electrospray ionization device and ioning method | |
| CN103616585B (en) | Framing based on middle point tracking controls the sample test method of two probe automatic testing equipment | |
| US20070273356A1 (en) | Method for Electrically Detecting Motion of Nonpolar Composite Molecule by Utilizing Nonuniform Electric Field | |
| CN109738702A (en) | Probe, probe and the measuring instrument of the square resistance of nondestructive measurement graphene film | |
| CN103439537A (en) | Lossless sample clamp of solar battery current-voltage testing system | |
| CN205027667U (en) | Atomic emission spectroscopy trigger device based on rotating disk electrode method | |
| CN107860981A (en) | The method of testing of fluid sample dielectric property under a kind of condition of high voltage | |
| CN107290399B (en) | Transformer water content measuring device based on PDC/FDS medium response method | |
| CN201218825Y (en) | Contact resistor measuring apparatus | |
| CN100353171C (en) | Sample holder in use for measuring spectrum of photoluminescence of electrical modulation | |
| CN109342510B (en) | Chiral recognition method based on monomolecular electrical detection | |
| CN104502642A (en) | Differential probe rod capable of replacing test wire rods | |
| CN207764307U (en) | The surface charge measuring device of insulating materials | |
| CN204991656U (en) | Formula power semiconductor module testing anchor clamps cut straightly | |
| CN204515049U (en) | Probe-type fast transport measuring system | |
| CN104166049B (en) | A kind of soil resistivity test device of insulating materials | |
| CN105973548A (en) | Water vapor transmittance testing clamp based on active metal electrical method | |
| CN105929309A (en) | Withstand voltage test system and device of ceramic capacitor | |
| CN206331044U (en) | One kind crimping resistance nondestructive measurement frock | |
| CN110346615B (en) | Low-temperature alternating/direct current electrical property testing device | |
| CN201130217Y (en) | Apparatus for testing carbon anode resistivity | |
| CN209784246U (en) | Electrical testing device for functional thin film | |
| CN112986770A (en) | Insulating paper detection method and device based on near infrared spectrum | |
| CN207318533U (en) | A kind of two electrode holder devices for the test of insulating materials sample dielectric properties | |
| CN109781808A (en) | The device and method of electrochemical impedance spectral technology measurement rock-soil material water salt content |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |